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Finding the Fourth Proportional to 545,993.02, 819,055.14 and 516,133.18

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Solution

The fourth proportional to 545,993.02, 819,055.14 and 516,133.18 is: 774,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,993.02 : 819,055.14 = 516,133.18 : x
  2. Step 2: Convert to fraction form
    545,993.02/819,055.14 = 516,133.18/x
  3. Step 3: Cross multiply
    545,993.02x = 819,055.14 × 516,133.18
  4. Step 4: Simplify right side
    545,993.02x = 422,741,534,003.55
  5. Step 5: Solve for x
    x = 422,741,534,003.55/545,993.02
  6. Step 6: Final answer
    x = 774,261.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.